INT 62 u - FGDRIVER v3.03 - "FG_GETMODE" - GET CURRENT VIDEO MODE NUMBER
        AX = 003Fh
        ES:BX -> WORD ???
Return: AX = current video mode number
Note:   For FGDRIVER v1.10, this function was "FG_SETVPAGE" (see AX=0098h);
           "FG_GETMODE" was AX=0000h
SeeAlso: AX=0093h

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